>The problem is that we are increasingly going un-battle-tested even though our information volume is going up. Our insights are no longer ours, they are learned information that we have never really had to put into practice and when we do face challenge

They say experience is the best teacher, but it was very unspecific which experience, whether the owners or external experience, but i think self experience is more of the teacher. Even though half our lives have been led by the experience of others which might not totally reflect the supposed lessons.

>Perhaps this prepares them for some future hardships and may provide a competitive advantage.

Yes information is knowledge and knowledge is power. It is true that *Our insights are no longer ours, they are learned information that we have never really had to put into practice* but i believe that the use will arrive when they are needed, perhaps all these information are deposited in our subconscious mind till the need arrives, now the depth of how much we learnt in quality and quality plays a vital role in our reactions